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=== decoding for LG A/C using Arduino ====

    1. remote of LG AC has two type of HDR mark/space, 8000/4000 and 3100/10000
    1. to decode use https://gist.github.com/chaeplin/49fb927d8021acbcb6d8b674fd59d986
  • sample output using
  • bits :32 1000 1000 0000 0000 1101 0000 1101
  • bits :28 1000 1000 1100 0000 0000 0101 0001
  • bits :32 1000 1000 1100 0000 0000 0101 0001
  • bits :32 1000 1000 0000 0000 1101 0000 1101
  • bits :28 1000 1000 0000 0000 1101 0000 1101
  • bits :32 1000 1000 1100 0000 0000 0101 0001

===== * old info

===== * old info

=== *** ===

  • (0) : Cooling or Heating
  • (1) : fixed
  • (2) : fixed
  • (3) : special(power, swing, air clean)
  • (4) : change air flow, temperature, cooling(0)/heating(4)
  • (5) : temperature ( 15 + (5) = )
  • (6) : air flow
  • (7) : crc ( 3 + 4 + 5 + 6 ) & B00001111

°F = °C × 1.8 + 32 °C = (°F − 32) / 1.8

=== *** ===

  • remote / Korea / without heating
status (0) (1) (2) (3) (4) (5) (6) (7)
on / 25 / mid C 1000 1000 0000 0000 1010 0010 1100
on / 26 / mid C 1000 1000 0000 0000 1011 0010 1101
on / 27 / mid C 1000 1000 0000 0000 1100 0010 1110
on / 28 / mid C 1000 1000 0000 0000 1101 0010 1111
on / 25 / high C 1000 1000 0000 0000 1010 0100 1110
on / 26 / high C 1000 1000 0000 0000 1011 0100 1111
on / 27 / high C 1000 1000 0000 0000 1100 0100 0000
on / 28 / high C 1000 1000 0000 0000 1101 0100 0001
---------------- --- ---- ---- ---- ---- ---- ---- ----
1 up C 1000 1000 0000 1000 1101 0100 1001
---------------- --- ---- ---- ---- ---- ---- ---- ----
Cool power C 1000 1000 0001 0000 0000 1100 1101
energy saving C 1000 1000 0001 0000 0000 0100 0101
power C 1000 1000 0001 0000 0000 1000 1001
flow/up/down C 1000 1000 0001 0011 0001 0100 1001
up/down off C 1000 1000 0001 0011 0001 0101 1010
flow/left/right C 1000 1000 0001 0011 0001 0110 1011
left/right off C 1000 1000 0001 0011 0001 0111 1100
---------------- --- ---- ---- ---- ---- ---- ---- ----
Air clean C 1000 1000 1100 0000 0000 0000 1100
---------------- --- ---- ---- ---- ---- ---- ---- ----
off C 1000 1000 1100 0000 0000 0101 0001
status (0) (1) (2) (3) (4) (5) (6) (7)
on C 1000 1000 0000 0000 1011 0010 1101
---------------- --- ---- ---- ---- ---- ---- ---- ----
off C 1000 1000 1100 0000 0000 0101 0001
---------------- --- ---- ---- ---- ---- ---- ---- ----
64 / 18 C 1000 1000 0000 0000 0011 0100 0111
66 / 19 C 1000 1000 0000 0000 0100 0100 1000
68 / 20 C 1000 1000 0000 0000 0101 0100 1001
70 / 21 C 1000 1000 0000 0000 0110 0100 1010
72 / 22 C 1000 1000 0000 0000 0111 0100 1011
74 / 23 C 1000 1000 0000 0000 1000 0100 1100
76 / 25 C 1000 1000 0000 0000 1010 0100 1110
78 / 26 C 1000 1000 0000 0000 1011 0100 1111
80 / 27 C 1000 1000 0000 0000 1100 0100 0000
82 / 28 C 1000 1000 0000 0000 1101 0100 0001
84 / 29 C 1000 1000 0000 0000 1110 0100 0010
86 / 30 C 1000 1000 0000 0000 1111 0100 0011
---------------- --- ---- ---- ---- ---- ---- ---- ----
heat64 H 1000 1000 0000 0100 0011 0100 1011
heat66 H 1000 1000 0000 0100 0100 0100 1100
heat68 H 1000 1000 0000 0100 0101 0100 1101
heat70 H 1000 1000 0000 0100 0110 0100 1110
heat72 H 1000 1000 0000 0100 0111 0100 1111
heat74 H 1000 1000 0000 0100 1000 0100 0000
heat76 H 1000 1000 0000 0100 1001 0100 0001
heat78 H 1000 1000 0000 0100 1011 0100 0011
heat80 H 1000 1000 0000 0100 1100 0100 0100
heat82 H 1000 1000 0000 0100 1101 0100 0101
heat84 H 1000 1000 0000 0100 1110 0100 0110
heat86 H 1000 1000 0000 0100 1111 0100 0111